package internal

import "fmt"

// PosError is an internal error type that carries source position information.
// Lexer and parser return this so that the public wrapParseError can extract the position.
type PosError struct {
	Line    int
	Col     int
	Message string
}

func (e *PosError) Error() string {
	return fmt.Sprintf("line %d, col %d: %s", e.Line, e.Col, e.Message)
}

func PosErrorf(line, col int, format string, args ...any) *PosError {
	return &PosError{Line: line, Col: col, Message: fmt.Sprintf(format, args...)}
}